16516742 has 24 divisors (see below), whose sum is σ = 27492696. Its totient is φ = 7436000.

The previous prime is 16516739. The next prime is 16516781. The reversal of 16516742 is 24761561.

It is a junction number, because it is equal to n+sod(n) for n = 16516699 and 16516708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31442 + ... + 31962.

It is an arithmetic number, because the mean of its divisors is an integer number (1145529).

Almost surely, 2^16516742 is an apocalyptic number.

16516742 is a deficient number, since it is larger than the sum of its proper divisors (10975954).

16516742 is a wasteful number, since it uses less digits than its factorization.

16516742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 665 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 16516742 is about 4064.0794775693. The cubic root of 16516742 is about 254.6682447234.

The spelling of 16516742 in words is "sixteen million, five hundred sixteen thousand, seven hundred forty-two".